lds184.c

NOKIA N1600 显示屏全套开发资料,包括原理图,FPC及LDS184的测试程序,需要了解3线SPI的朋友可以参考.

/*-----------------------
Test mode:8 bit paraller interface 8080 MCU
Program by:Fuwei
Date:2006-04-18
-------------------------*/
#include <reg51.h>
#include <intrins.h>
#include <ctype.h>
#define X_add 98
#define Y_add 70
//#define Data_port P1
#define  nop _nop_()
#define R 0
#define G 1
#define B 2
/*sbit CS=P3^1;//31
sbit RST=P3^2;//32
sbit SDA=P1^6;//16
sbit SCLK=P1^5;//15*/
sbit CS=P3^1;//31
sbit RST=P3^2;//32
sbit SDA=P1^6;//16
sbit SCLK=P1^5;//15
//sbit RD_=P3^2;
sbit KEY=P3^3;
//sbit INC=P3^6;
//sbit DEC=P3^7;
//sbit OTP=P1^7;
typedef unsigned char byte;
typedef unsigned int word;
byte code djn[];
/*byte code gray_scal[][8][2]={
                          {{0xf8,0x00},{0xf9,0xaa},{0xfa,0xaa},{0xfb,0x6d},{0xfc,0x92},{0xfd,0xb6},{0xfe,0xdb},{0xff,0xff}},
                          {{0x07,0xe0},{0x27,0xe4},{0x4f,0xe9},{0x6f,0xed},{0x97,0xf2},{0xb7,0xf6},{0xdf,0xfb},{0xff,0xff}},
                          {{0x00,0x1f},{0x21,0x3f},{0x4a,0x5f},{0x6b,0x7f},{0x94,0x9f},{0xb5,0xbf},{0xe7,0x1f},{0xff,0xff}},
                          };*/
void write_data(byte in_data);
void write_com(byte in_com);
//byte read(void);
void delay(word time);
void initial();
//void clear();
void wait_key();
void display_griphic(byte *griphic);
void test_patten(byte cl,byte ch);
void test_grayscal(byte color);
void display_char();
//void address_set(byte addX1,addX2,addY1,addY2);
//void EEPROM_program();
void main(void)
     {
	CS=0;
    RST=0;
    delay(20);
    RST=1;
    initial();
     while(1)
     {
    // initial();
    display_griphic(djn); 
    wait_key();
      test_patten(0xf8,0x00);
     wait_key();
     test_patten(0x07,0xe0);
     wait_key();   
     test_patten(0x00,0x1f);
     wait_key();
    // test_patten(0xff,0xff);
    // wait_key();
 //test_patten(0x00,0x00);
   //  wait_key();
  // initial();
   //  test_grayscal(R);wait_key();
  //   test_grayscal(G);wait_key();
  //   test_grayscal(B);wait_key();
 //initial();
     }
    }
void delay(word time)
     {
    word i;
    while(time--)
         for(i=0;i<10;i++);
    }
void wait_key()
     {
    //KEY=1;
     //while(KEY);
     delay(5000);
     //while(!KEY);
     //delay(20);
     //delay(8000);
    }

    void write_data(byte indata)
     {
     byte i;
     //CS=0;
     //CS=1;
     SDA=1;
     SCLK=0;
     SCLK=1;
     for(i=0;i<8;i++)    /*for serial port*/
         {
         SDA=((bit)(indata&0x80));
         indata<<=1;
         SCLK=0;
         SCLK=1;
            }
  // CS=1;
     }

void write_com(byte in_com)
    {
     byte i;
   // CS=0;
     SDA=0;
     SCLK=0;
     SCLK=1;
     for(i=0;i<8;i++)    /*for serial port*/
         {
         SDA=((bit)(in_com&0x80));
         in_com<<=1;
         SCLK=0;
         SCLK=1;
            }
 // CS=1;
    }
void initial()
     {

   // WR_=1;RD_=1;
    write_com(0x01);//reset
    delay(5);
    write_com(0x25);//Contrast set
    write_data(0x39);//39
    write_com(0x11);//Sleep out
    write_com(0x13);
    write_com(0x20);//INV off
    write_com(0x38);//IDM off
    write_com(0x36);//MAD set
    write_data(0x80);
   // write_com(0x3a);//Interface format
    //write_data(0x05);
    //write_com(0x2d);//RGB set
    //write_data(0x00);
  //  write_com(0x2a);//Col add
   // write_data(0x00);
  //  write_data(0x61);
  //  write_com(0x2b);//PAGE add
  //  write_data(0x00);
   // write_data(0x45);
  //  write_com(0x2c);
    write_com(0x29);//display ON
    
    //delay(20);

    }
void display_griphic(byte *griphic)
     {
    word i;
   write_com(0x2a);//Col add
   write_data(0x00);
    write_data(0x62);

   write_com(0x2c);
    for(i=0;i<13860;i++)
      // for(j=0;j<99;j++)
         // for(k=0;k<2;k++)
          // {
           write_data(*griphic++);
           //write_data(*griphic++);
           //griphic++;
          //delay(200);
          //}
    }
void test_patten(byte cl,byte ch)
    {
    word i,j;
     write_com(0x2a);//Col add
   write_data(0x00);
   write_data(0x61);
   // address_set(0x10,0x00,0x72,0x60);
    write_com(0x2c);
    for(i=0;i<Y_add;i++)
       for(j=0;j<X_add;j++)
         {
          //for(k=0;k<2;k++)
          write_data(cl);
          write_data(ch);
         }
         }
/*void test_grayscal(byte color)
    {
     word i,j,k,l;
    // address_set(0x10,0x00,0x72,0x60);
       write_com(0x2a);//Col add
   write_data(0x00);
    write_data(0x67);
     write_com(0x2c);
     for(i=0;i<Y_add;i++)
        for(l=0;l<8;l++)
           for(j=0;j<13;j++)

               for(k=0;k<2;k++)
                   write_data(gray_scal[color][l][k]);
    }*/
/*void EEPROM_program()
//	}
	{
	word con_temp;
	RST=0;
    delay(10);
    RST=1;
	con_temp=0;	
    DEC=1;INC=1;
    while(OTP)
	{
		if(INC)
		{	
		con_temp++;
		write_com(0x25);
		write_data(0x39+con_temp);
			}
	}
    //write_com(0x25);//Contrast set
   // write_data(0x39);//39
    write_com(0xbb);
    write_data(con_temp);
    write_data(0x00);
    write_com(0xd9);
    write_data(0x00);
    delay(10);
    write_com(0x10);
    delay(1000);
    write_com(0xd1);
     delay(5000);
     delay(5000);
     delay(5000);
     delay(5000);
     delay(5000);
     delay(5000);
     delay(5000);
     delay(5000);
    write_com(0xd0);
   delay(1000);

	}*/